212023320120 has 128 divisors (see below), whose sum is σ = 707356281600. Its totient is φ = 56490602112.

The previous prime is 212023320097. The next prime is 212023320121. The reversal of 212023320120 is 21023320212.

212023320120 is a `hidden beast` number, since 21 + 202 + 3 + 320 + 120 = 666.

212023320120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212023320093 and 212023320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212023320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1171639 + ... + 1340441.

It is an arithmetic number, because the mean of its divisors is an integer number (5526220950).

Almost surely, 2^212023320120 is an apocalyptic number.

212023320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212023320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353678140800).

212023320120 is an abundant number, since it is smaller than the sum of its proper divisors (495332961480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212023320120 is a wasteful number, since it uses less digits than its factorization.

212023320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169986 (or 169976 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212023320120 its reverse (21023320212), we get a palindrome (233046640332).

The spelling of 212023320120 in words is "two hundred twelve billion, twenty-three million, three hundred twenty thousand, one hundred twenty".